Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
4.95-5.03.85-3.94
1
7.18
👆🏻
Fracture
Uneven
Conchoidal, Uneven
Cleavage
Imperfect to indistinct on {10 1 0}, parting on {0001}
{010} Good, {100} Distinct
Mohs Hardness
4-55-5.5
2
10
👆🏻
Chemical Composition
(Ce,La)(CO 3)FMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mn2+ ,Fe2+ ,Mg,Ca) 2(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth Edition (2006)